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lmb: add a max parameter in the struct lmb_region

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Add a max parameter in lmb_region struct to handle test
in lmb_add_region without using the MAX_LMB_REGIONS
define.

This patch allows to modify these size independently for
memory of reserved regions in the next patches.

Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
This commit is contained in:
Patrick Delaunay 2021-03-10 10:16:27 +01:00 committed by Tom Rini
parent 8f167da9c5
commit 00fd8dad4d
2 changed files with 5 additions and 1 deletions
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1
include/lmb.h
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@ -21,6 +21,7 @@ struct lmb_property {
struct lmb_region {
unsigned long cnt;
unsigned long max;
struct lmb_property region[MAX_LMB_REGIONS+1];
};

5
lib/lmb.c
View File

@ -95,6 +95,9 @@ static void lmb_coalesce_regions(struct lmb_region *rgn, unsigned long r1,
void lmb_init(struct lmb *lmb)
{
lmb->memory.max = MAX_LMB_REGIONS;
lmb->reserved.max = MAX_LMB_REGIONS;
lmb->memory.cnt = 0;
lmb->reserved.cnt = 0;
}
@ -179,7 +182,7 @@ static long lmb_add_region(struct lmb_region *rgn, phys_addr_t base, phys_size_t
if (coalesced)
return coalesced;
if (rgn->cnt >= MAX_LMB_REGIONS)
if (rgn->cnt >= rgn->max)
return -1;
/* Couldn't coalesce the LMB, so add it to the sorted table. */